﻿using System;
using System.Collections.Generic;
using System.Configuration;
using System.Linq;
using System.Web;
using System.Web.Mvc;
using System.Web.Routing;
using System.Web.Security;
using Yamfinder.Service;
using Yamfinder.Web.Models;

namespace Yamfinder.Web.Controllers
{
    public class AccountController : Controller
    {
        private readonly IUserService _userService;

        public AccountController(IUserService userService)
        {
            _userService = userService;
        }

        //
        // GET: /Account/LogOn

        public ActionResult LogOn()
        {
            return View();
        }

        //
        // POST: /Account/LogOn

        [HttpPost]
        public ActionResult LogOn(LogOnModel model, string returnUrl)
        {
            if (ModelState.IsValid)
            {
                if (_userService.ValidateUser(model.UserName, model.Password))
                {
                    FormsAuthentication.SetAuthCookie(model.UserName, model.RememberMe);
                    if (Url.IsLocalUrl(returnUrl) && returnUrl.Length > 1 && returnUrl.StartsWith("/")
                        && !returnUrl.StartsWith("//") && !returnUrl.StartsWith("/\\"))
                    {
                        return Redirect(returnUrl);
                    }
                    else
                    {
                        return RedirectToAction("Index", "Home");
                    }
                }
                else
                {
                    ModelState.AddModelError("", "The user name or password provided is incorrect.");
                }
            }

            // If we got this far, something failed, redisplay form
            return View(model);
        }

        //
        // GET: /Account/LogOff

        public ActionResult LogOff()
        {
            FormsAuthentication.SignOut();

            return RedirectToAction("Index", "Home");
        }

        //
        // GET: /Account/Register

        public ActionResult Register()
        {
            var model = new RegisterContactDetailsModel()
                            {
                                Email = ConfigurationManager.AppSettings["ContactAdminEmail"],
                                Name = ConfigurationManager.AppSettings["ContactAdminName"],
                                Phone = ConfigurationManager.AppSettings["ContactAdminPhone"]
                            };

            return View(model);
        }

        //
        // GET: /Account/FirstRun

        public ActionResult FirstRun()
        {
            //Check if this really is the first run
            //If they are trying to access this just redirect them to home page
            if (!_userService.IsFirstRun())
                return RedirectToAction("Index", "Home"); 

            return View();
        }

        //
        // POST: /Account/FirstRun

        [HttpPost]
        public ActionResult FirstRun(NewUserModel model)
        {
            //Check if this really is the first run
            //If they are trying to access this just redirect them to home page
            if (!_userService.IsFirstRun())
                return RedirectToAction("Index", "Home"); 

            if (ModelState.IsValid)
            {
                _userService.CreateUser(model.Username, model.Password, model.Firstname, model.Lastname);
                _userService.CreateAdmin(model.Username);

                FormsAuthentication.SetAuthCookie(model.Username, false);
                return RedirectToAction("Index", "Home");
            }

            //Redisplay form something went wrong!
            return View(model);
        }

        #region Status Codes
        private static string ErrorCodeToString(MembershipCreateStatus createStatus)
        {
            // See http://go.microsoft.com/fwlink/?LinkID=177550 for
            // a full list of status codes.
            switch (createStatus)
            {
                case MembershipCreateStatus.DuplicateUserName:
                    return "User name already exists. Please enter a different user name.";

                case MembershipCreateStatus.DuplicateEmail:
                    return "A user name for that e-mail address already exists. Please enter a different e-mail address.";

                case MembershipCreateStatus.InvalidPassword:
                    return "The password provided is invalid. Please enter a valid password value.";

                case MembershipCreateStatus.InvalidEmail:
                    return "The e-mail address provided is invalid. Please check the value and try again.";

                case MembershipCreateStatus.InvalidAnswer:
                    return "The password retrieval answer provided is invalid. Please check the value and try again.";

                case MembershipCreateStatus.InvalidQuestion:
                    return "The password retrieval question provided is invalid. Please check the value and try again.";

                case MembershipCreateStatus.InvalidUserName:
                    return "The user name provided is invalid. Please check the value and try again.";

                case MembershipCreateStatus.ProviderError:
                    return "The authentication provider returned an error. Please verify your entry and try again. If the problem persists, please contact your system administrator.";

                case MembershipCreateStatus.UserRejected:
                    return "The user creation request has been canceled. Please verify your entry and try again. If the problem persists, please contact your system administrator.";

                default:
                    return "An unknown error occurred. Please verify your entry and try again. If the problem persists, please contact your system administrator.";
            }
        }
        #endregion
    }
}
